Towel rack



FIG. 1 is a front perspective view of a towel rack showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a right side elevation view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a front elevation view thereof; and,

FIG. 7 is a rear elevation view thereof.

The broken line showing of the circular regions in FIGS. 3, 6 and 7 represents unclaimed areas and forms no part of the claimed design. 

CLAIM The ornamental design for a towel rack, as shown and described. 